Lydia Koch
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 1:29.22 | 2024-01-27 | 2023 Bridget Vache Memorial MAC Fall Frenzy | |
| 50 Freestyle | SCY | 28.07 | AA+1.08s to AAA·+3.28s to Sectionals | 2026-03-05 | 2025 Speedo MD LSC Senior Champs |
| 100 Freestyle | SCY | 1:00.25 | AA+1.56s to AAA·+7.16s to Sectionals | 2026-03-06 | 2026 MD LSC 14 & U Championshipsvenue |
| 200 Freestyle | SCY | 2:06.64 | AAA+4.15s to AAAA·+11.65s to Sectionals | 2026-03-07 | 2026 MD LSC 14 & U Championshipsvenue |
| 500 Freestyle | SCY | 6:13.45 | A+14.26s to AA·+64.66s to Sectionals | 2026-01-03 | 2026 LBA IMX Distance Challengevenue |
| 25 Backstroke | SCY | 46.16 | 2024-01-27 | 2023 Bridget Vache Memorial MAC Fall Frenzy | |
| 50 Backstroke | SCY | 33.12 | A+1.23s to AA·+6.83s to Futures | 2026-01-10 | 2026 NBAC New Year's Kick-Off Meetvenue |
| 100 Backstroke | SCY | 1:10.97 | A+1.38s to AA·+11.68s to Sectionals | 2026-02-08 | 2026 Last Chance Qualifying Meetvenue |
| 25 Breaststroke | SCY | 1:17.90 | 2024-01-27 | 2023 Bridget Vache Memorial MAC Fall Frenzy | |
| 50 Breaststroke | SCY | 37.53 | A+1.34s to AA·+7.74s to Futures | 2026-02-07 | 2026 Last Chance Qualifying Meetvenue |
| 100 Breaststroke | SCY | 1:38.12 | +1.63s to B·+29.93s to Sectionals | 2024-12-14 | 2024 Blizzard Buster Meetvenue |
| 25 Butterfly | SCY | 1:32.23 | 2024-01-27 | 2023 Bridget Vache Memorial MAC Fall Frenzy | |
| 50 Butterfly | SCY | 30.25 | AA+1.16s to AAA·+4.56s to Futures | 2026-03-05 | 2025 Speedo MD LSC Senior Champs |
| 100 Butterfly | SCY | 1:14.90 | BB+2.61s to A·+16.41s to Sectionals | 2026-01-10 | 2026 NBAC New Year's Kick-Off Meetvenue |
| 100 Individual Medley | SCY | 1:09.47 | AA+2.48s to AAA | 2026-03-07 | 2026 MD LSC 14 & U Championshipsvenue |
| 200 Individual Medley | SCY | 2:29.69 | AA+5.10s to AAA·+19.00s to Sectionals | 2026-03-06 | 2026 MD LSC 14 & U Championshipsvenue |
| 50 Freestyle | LCM | 30.69 | AAA+1.40s to AAAA·+2.40s to Sectionals | 2026-08-01 | 2026 MD LSC LC Championshipvenue |
| 100 Freestyle | LCM | 1:06.54 | AAA+2.25s to AAAA·+5.85s to Sectionals | 2026-07-29 | 2026 MD LSC LC Championshipvenue |
| 200 Freestyle | LCM | 2:25.84 | AAA+5.75s to AAAA·+14.95s to Sectionals | 2026-04-26 | 2026 ASC Spring Long Course Meetvenue |
| 400 Freestyle | LCM | 5:10.98 | AA+2.29s to AAA·+33.29s to Sectionals | 2026-07-31 | 2026 MD LSC LC Championshipvenue |
| 800 Freestyle | LCM | 10:57.61 | AA+11.42s to AAA·+87.62s to Sectionals | 2026-07-17 | 2026 MD Long Course Last Chance Meet |
| 50 Backstroke | LCM | 37.15 | A+0.26s to AA·+6.26s to Futures | 2026-01-01 | UMBC/Retriever Aquatics |
| 100 Backstroke | LCM | 1:21.49 | A+0.70s to AA·+13.60s to Sectionals | 2026-07-11 | 2026 RAC Sandboxvenue |
| 200 Backstroke | LCM | 2:56.66 | A+5.67s to AA·+30.47s to Sectionals | 2026-07-17 | 2026 MD Long Course Last Chance Meet |
| 50 Breaststroke | LCM | 41.80 | A+0.91s to AA·+7.01s to Futures | 2026-01-01 | UMBC/Retriever Aquatics |
| 100 Breaststroke | LCM | 1:30.92 | A+0.93s to AA·+13.03s to Sectionals | 2026-07-17 | 2026 MD Long Course Last Chance Meet |
| 200 Breaststroke | LCM | 3:18.66 | A+3.77s to AA·+29.27s to Sectionals | 2026-07-17 | 2026 MD Long Course Last Chance Meet |
| 50 Butterfly | LCM | 33.60 | AA+0.71s to AAA·+4.11s to Futures | 2026-07-30 | 2026 MD LSC LC Championshipvenue |
| 100 Butterfly | LCM | 1:17.03 | AA+2.24s to AAA·+10.74s to Sectionals | 2026-07-31 | 2026 MD LSC LC Championshipvenue |
| 200 Individual Medley | LCM | 2:47.04 | AA+1.45s to AAA·+18.65s to Sectionals | 2026-07-11 | 2026 RAC Sandboxvenue |
| 400 Individual Medley | LCM | 5:56.92 | AA+4.23s to AAA·+36.43s to Sectionals | 2026-07-29 | 2026 MD LSC LC Championshipvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.06 | flat | 200 Free Relay | 2026-03-07 | 2026 MD LSC 14 & U Championships |
| 100 Freestyle | SCY | 59.36 | flying | 400 Medley Relay (leg 4) | 2026-03-06 | 2026 MD LSC 14 & U Championships |
| 50 Freestyle | LCM | 36.33 | flat | 200 Free Relay | 2024-08-01 | 2024 MD LSC LC Championships |
| 50 Freestyle | LCM | 30.53 | flying | 200 Free Relay (leg 4) | 2026-07-10 | 2026 RAC Sandbox |
| 100 Freestyle | LCM | 1:20.28 | flat | 400 Free Relay | 2024-07-08 | 2024 Sandbox Invitational |
| 100 Freestyle | LCM | 1:06.59 | flying | 400 Free Relay (leg 4) | 2026-07-30 | 2026 MD LSC LC Championship |
| 50 Breaststroke | LCM | 53.40 | flying | 200 Medley Relay (leg 2) | 2024-08-02 | 2024 MD LSC LC Championships |
| 100 Breaststroke | LCM | 1:57.42 | flying | 400 Medley Relay (leg 2) | 2024-07-07 | 2024 Sandbox Invitational |
| 50 Butterfly | LCM | 33.37 | flying | 200 Medley Relay (leg 3) | 2026-07-10 | 2026 RAC Sandbox |
| 100 Butterfly | LCM | 1:17.84 | flying | 400 Medley Relay (leg 3) | 2026-07-11 | 2026 RAC Sandbox |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 11-12 · LCM
3914 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:10.98 | 850 |
| 100 BK LCM | 1:21.49 | 715 |
| 100 BR LCM | 1:30.92 | 727 |
| 100 FL LCM | 1:17.03 | 776 |
| 200 IM LCM | 2:47.04 | 846 |
IMR 11-12 · LCM
3995 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:25.84 | 880 |
| 50 BK LCM | 37.15 | 739 |
| 50 BR LCM | 41.80 | 715 |
| 50 FL LCM | 33.60 | 815 |
| 200 IM LCM | 2:47.04 | 846 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:00.25
Front half 28.78s · back half 31.47s
200 Freestyle SCY 2:06.64
Front half 62.22s · back half 64.42s
500 Freestyle SCY 6:13.45
Front half 185.51s · back half 187.94s
100 Backstroke SCY 1:10.97
Front half 34.34s · back half 36.63s
100 Breaststroke SCY 1:38.12
Front half 46.95s · back half 51.17s
100 Butterfly SCY 1:14.90
Front half 34.86s · back half 40.04s
100 Individual Medley SCY 1:09.47
Front half 32.51s · back half 36.96s
200 Individual Medley SCY 2:29.69
Front half 72.29s · back half 77.40s
100 Freestyle LCM 1:06.54
Front half 31.98s · back half 34.56s
200 Freestyle LCM 2:25.84
Front half 70.75s · back half 75.09s
400 Freestyle LCM 5:10.98
Front half 156.61s · back half 154.37s
100 Backstroke LCM 1:21.49
Front half 38.77s · back half 42.72s
100 Butterfly LCM 1:17.03
Front half 35.45s · back half 41.58s
200 Individual Medley LCM 2:47.04
Front half 79.66s · back half 87.38s
400 Individual Medley LCM 5:56.92
Front half 178.78s · back half 178.14s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.